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US 2023/0264732 A1Published application
Adjustment drive for a steering column and steering column for a motor vehicle
AssigneesThyssenkrupp Presta AG, thyssenkrupp AG
InventorsSebastian HUBER, Jean-Pierre SPECHT
Life of this patent
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Abstract
An adjustment drive for a steering column of a motor vehicle may include a threaded spindle having an external thread, engaging with a corresponding internal thread of a spindle nut. A thread tooth of the external thread and a thread groove of the internal thread have corresponding axially sliding thread flanks that are braced against each other. At least one thread flank comprises at least one recessed lubricant uptake.
Claims15
An adjustment drive for a steering column of a motor vehicle, comprising:
- a threaded spindle having an external thread;
- and
- a spindle nut with an internal threaded that engages with the external thread of the threaded spindle,
- wherein a thread tooth of the external thread and a thread groove of the internal thread have corresponding axially sliding thread flanks that are braced against each other, wherein at least one of the thread flanks comprises a recessed lubricant uptake.
1 more element
A steering column for a motor vehicle, comprising:
- a support unit that is mountable on a vehicle chassis and that supports an actuator in which a steering spindle is rotatably mounted;
- and
- an adjustment drive comprising a threaded spindle, engaging with an external thread in a spindle nut, and a drive unit that is coupled to the threaded spindle or the spindle nut such that the threaded spindle and the spindle nut are configured to be driven in rotation relative to each other, wherein the adjustment drive is connected to the support unit or the actuator, wherein a thread tooth of the external thread and a thread groove of the internal thread have corresponding axially sliding thread flanks that are braced against each other, wherein at least one of the thread flanks comprises a recessed lubricant uptake.
Dependencies are inferred from the claim text.